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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/03/19 16:55:43 UTC
[jira] [Commented] (SPARK-19968) Use a cached instance of
KafkaProducer for writing to kafka via KafkaSink.
[ https://issues.apache.org/jira/browse/SPARK-19968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15931808#comment-15931808 ]
Apache Spark commented on SPARK-19968:
--------------------------------------
User 'ScrapCodes' has created a pull request for this issue:
https://github.com/apache/spark/pull/17308
> Use a cached instance of KafkaProducer for writing to kafka via KafkaSink.
> --------------------------------------------------------------------------
>
> Key: SPARK-19968
> URL: https://issues.apache.org/jira/browse/SPARK-19968
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
> Affects Versions: 2.2.0
> Reporter: Prashant Sharma
> Assignee: Prashant Sharma
> Labels: kafka
>
> KafkaProducer is thread safe and an instance can be reused for writing every batch out. According to Kafka docs, this sort of usage is encouraged.
> On an average an addBatch operation takes 25ms with this patch and 250+ ms without this patch.
> Results of benchmark results, posted on github PR.
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